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The Invention of the track circuit : the history of Dr. William Robinson's invention of the track circuit, the fundamental unit which made possible our present automatic block signaling and interlocking systems


Published 1922
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Publisher New York : Signal Section, American Railway Association
Pages 134
Possible copyright status NOT_IN_COPYRIGHT
Language English
Call number nrlf_ucb:GLAD-256479
Digitizing sponsor MSN
Book contributor University of California Libraries
Collection cdl; americana

Full catalog record MARCXML

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